ATSAM4N8CA-CU

Overview

The ATSAM4N8CA-CU is a 32-bit microcontroller from the Microchip SAM4N series, featuring an ARM Cortex-M4 core with single-cycle multiplication and hardware divide. It integrates 512 kB of in-system programmable Flash memory and 64 kB of SRAM. The device operates at a maximum clock frequency of 100 MHz and supports a supply voltage range of 1.62 V to 1.95 V for the core, with I/O pins tolerant to 3.3 V. It provides 34 general-purpose I/Os and includes multiple communication interfaces such as SPI, UART, and I2C.

Feature Summary

• Integrates an ARM Cortex-M4 processor core optimized for digital signal processing tasks through single-cycle multiplication and hardware division capabilities.
• Provides non-volatile program storage via in-system programmable Flash memory alongside static RAM for data handling.
• Supports standard serial communication protocols including SPI, UART, and I2C for peripheral connectivity.
• Features low-power operation modes suitable for battery-powered applications within specified industrial temperature ranges.

Applications

• Industrial control systems requiring efficient code execution
• Consumer electronics utilizing low-power ARM architectures
• Embedded devices needing serial communication interfaces

Procurement Notes

Verify the specific package type and temperature grade against project requirements before procurement. Confirm that the supply voltage specifications align with the target system design. Ensure compatibility with existing development tools and software frameworks provided by the manufacturer. Check for any recent product change notices regarding assembly sites or packaging updates.

Selection Notes

Select this component when a balance of processing power and memory capacity is required for cost-sensitive embedded applications. The 100 MHz performance meets demands for real-time control while maintaining energy efficiency. Consider the available I/O count and interface options to ensure sufficient connectivity for the intended peripheral set without requiring additional controllers.

Part Context

This part belongs to the SAM4N family, designed for high-performance, low-power applications. It shares architectural similarities with other Cortex-M4 based MCUs but offers specific memory configurations and pin counts tailored for compact designs. The series emphasizes ease of use with comprehensive software support and development toolchains.

Replacement Considerations

Consult official cross-reference guides for compatible alternatives within the same family or newer generations. Verify pin-to-pin compatibility and electrical characteristics if substituting with parts from different manufacturers. Ensure that firmware migration strategies account for any differences in peripheral implementations or register mappings.